Hook rack



FIG. 1 is a perspective view of a hook rack showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof, the left side elevational view being a mirror image;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines showing portions of the hook rack for the purposes of illustrating environment and forms no part of the claimed design. 

The ornamental design for a hook rack, as shown and described. 